Home / 5,027.77-6,938.19-2,789.64

Finding the Fourth Proportional to 5,027.77, 6,938.19 and 2,789.64

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Solution

The fourth proportional to 5,027.77, 6,938.19 and 2,789.64 is: 3,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.77 : 6,938.19 = 2,789.64 : x
  2. Step 2: Convert to fraction form
    5,027.77/6,938.19 = 2,789.64/x
  3. Step 3: Cross multiply
    5,027.77x = 6,938.19 × 2,789.64
  4. Step 4: Simplify right side
    5,027.77x = 19,355,052.35
  5. Step 5: Solve for x
    x = 19,355,052.35/5,027.77
  6. Step 6: Final answer
    x = 3,849.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.